Prof. Dr. Igor Majnarić
Faculty of Graphic Arts Department of Printing, University of Zagreb, Zagreb, Zagreb, Grad, Croatia
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Academic Career Length
14Years (2013-Present)
(Calculated once Scilit publication data is synced: current year − year of first publication + 1)
Representative Publications
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Journal Article
Dean ValdecKHKrunoslav Hajdek
Krunoslav HajdekIgor MajnarićDČDarijo Čerepinko
Darijo ČerepinkoThis study characterizes and compares the parameters of the quality reproduction of fine elements in flexography on coated and uncoated paper as well as on OPP film (oriented polypropylene). A monochrome test form was created and printed using cyan UV ink. The analysis of results confirms the importance of interaction between the printing substrate and ink; it also indicates identical line and text deformations on the print. Quality reproduction on coated paper is higher in relation to OPP film for all the research parameters. The ink penetrates significantly more and with more irregularity into the pores and throats of the uncoated paper, which results in less homogeneous elements, and in such way that it loses its original shape. In coated paper and OPP film, the ink spreads more on the substrate area which gives it a significantly more homogeneous shape. However, due to the surface spread of the ink, the biggest changes in the size of fine elements are noticeable in the OPP film. The scientific contribution of this paper is based on the comparison of print quality parameters of fine elements, which can contribute to the optimization of the production process and quality of the final graphical product.
1 November 2015 in Applied Thermal Engineering
Journal Article
IJIvana Jurič
Ivana Jurič
Nemanja KašikovićMSMladen Stančić
Mladen StančićDNDragoljub Novaković
Dragoljub NovakovićGVGojko Vladic
Gojko VladicIgor Majnarić1 January 2014 in Journal of Visual Impairment & Blindness
Journal Article
TKTjaša Krivec
Tjaša Krivec
TMTadeja Muck
Tadeja Muck
RGRolanda Fugger Germadnik
Rolanda Fugger Germadnik
Igor MajnarićGGGorazd Golob
Gorazd Golob
1 January 2013 in Nordic Pulp & Paper Research Journal
Journal Article
1 December 2021 in Journal of Graphic Engineering and Design
Journal Article
This paper investigates the possibility of reproducing Braille by UV ink-jet printing on self-adhesive labels, previously printed by flexo printing technology. The aim was to determine whether it is possible to reproduce Braille, the degree of quality of created Braille dots (cells), the legibility of Braille text, and how many layers of varnish are necessary for quality reproduction. The Braille letter was applied to the previously printed label (design) using 8, 10, 12, 14 and 16 layers of varnish. It has been found that it is possible to reproduce a quality and legible Braille. With the increase in the number of layers, the assessment of legibility and quality of reproduction by the respondents also increased. Samples reproduced with 12 layers of varnish received a very good grade of legibility and good grade for quality of Braille. Samples reproduced with 8 and 10 layers received bad grades for legibility, and even worse for quality, while samples with a higher number of layers of varnish, 14 and 16, received even better grades. The threshold for quality reproduction would therefore be the use of 12 layers of varnish, where a good ratio of workmanship and economy is obtained.
Journal Article
The coating process involves applying a thin material layer to a surface to engender it with specific desirable properties or enhance its performance. In the production of print media (labels, packaging, printed textiles, and promotional materials), the standard functions of the coating process include visual decoration, which involves the addition of appealing colors, textures, and patterns. A pertinent issue in the printing industry is that at present, the predominant coating process uses printing and coating technologies (gravure, flexo, letterset, letterpress, screen printing, inkjet, and electrophotography) and lamination (i.e., attaching decorative layers of materials, such as films or fabrics). In this paper, we present a new method for testing the efficiency with which different-sized metalized printing elements (using gold foil) may be applied to paper substrates; to do so, we gradually vary the amount UV-cured inkjet varnish (or adhesive) that is applied. To test the effectiveness of this method in producing metallic visual effects, we utilize seven different thicknesses of UV-cured varnish with the aid of modular piezo inkjet heads (KM1024 iLHE-30) and three different printing speeds. Our research shows that to achieve optimal production of cold metalized foil, a 21 µm layer should be deposited, and the substrate should move at a speed of 0.30 m/s.
About Me
As a result of scientific research, he has so far published 97 scientific papers, of which 24 are cited in CC and SCI databases, 5 in secondary databases, and 68 at international and domestic conferences. He also published 27 professional works (5 chapters in a book, 11 professional articles in magazines, and 11 papers at international and domestic conferences).
Until now, prof. Ph.D. Igor Majnarić participated in a series of professional educations and has mastered the skills of working in numerous printing technologies. His professional activity also includes his work at the Croatian Standards Institute, where he is the current chairman of the technical committee TO 130 (Graphic Technology) and a member of the technical committee TO 6 (Paper, Cardboard, and Pulp). Since 2009, he has held the position of ADE (Apple Distinguished Educator) to implement Apple computers in the education of students at higher education institutions. He is an authorized ERBD consultant in the field of graphic technology. Since April 10, 2022, he has been a trusted PSO partner of the FOGRA Institute and a consultant for insight into standardization in offset printing.
He is a member of the Croatian Society for Materials and Tribology (HDMT), the Croatian Society of Graphic Designers (HDG), the Croatian Association of Screen Printers and Digital Printers - FESPA Croatia and the Croatian Association for Paints (HUBO). English is actively used.
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